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target/hppa: Implement halt and reset instructions

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Real hardware would use an external device to control the power.
But for the moment let's invent instructions in reserved space,
to be used by our custom firmware.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Helge Deller 2017-12-28 22:04:57 -08:00 • committed by Richard Henderson
parent e216a77e3b
commit 6210db057a
3 changed files with 39 additions and 1 deletions
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2
target/hppa/helper.h
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@ -80,6 +80,8 @@ DEF_HELPER_FLAGS_4(fmpynfadd_d, TCG_CALL_NO_RWG, i64, env, i64, i64, i64)
DEF_HELPER_FLAGS_0(read_interval_timer, TCG_CALL_NO_RWG, tr)
#ifndef CONFIG_USER_ONLY
DEF_HELPER_1(halt, noreturn, env)
DEF_HELPER_1(reset, noreturn, env)
DEF_HELPER_1(rfi, void, env)
DEF_HELPER_1(rfi_r, void, env)
DEF_HELPER_FLAGS_2(write_interval_timer, TCG_CALL_NO_RWG, void, env, tr)